Malware Analysis Report

2024-10-23 21:08

Sample ID 201109-mntcr1whj2
Target 0080900000000000004.exe
SHA256 9af31d18ef5af8d20ed75f9cc76185d119990e2adea7748c16562359a1dc3d5d
Tags
snakebot snakebot agenttesla coreentity keylogger rezer0 spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9af31d18ef5af8d20ed75f9cc76185d119990e2adea7748c16562359a1dc3d5d

Threat Level: Known bad

The file 0080900000000000004.exe was found to be: Known bad.

Malicious Activity Summary

snakebot snakebot agenttesla coreentity keylogger rezer0 spyware stealer trojan

Snakebot family

AgentTesla

CoreEntity .NET Packer

Contains SnakeBOT related strings

rezer0

AgentTesla Payload

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Suspicious use of SetThreadContext

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-11-09 19:37

Signatures

Snakebot family

snakebot

Contains SnakeBOT related strings

snakebot
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-11-09 19:37

Reported

2020-11-09 22:07

Platform

win7v20201028

Max time kernel

71s

Max time network

18s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

CoreEntity .NET Packer

coreentity
Description Indicator Process Target
N/A N/A N/A N/A

AgentTesla Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

rezer0

rezer0
Description Indicator Process Target
N/A N/A N/A N/A

Reads data files stored by FTP clients

spyware

Reads user/profile data of local email clients

spyware

Reads user/profile data of web browsers

spyware

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1004 set thread context of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1004 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Windows\SysWOW64\schtasks.exe
PID 1004 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Windows\SysWOW64\schtasks.exe
PID 1004 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Windows\SysWOW64\schtasks.exe
PID 1004 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Windows\SysWOW64\schtasks.exe
PID 1004 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 1004 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 1004 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 1004 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 1004 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 1004 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 1004 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 1004 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 1004 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 2044 wrote to memory of 1824 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Windows\SysWOW64\netsh.exe
PID 2044 wrote to memory of 1824 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Windows\SysWOW64\netsh.exe
PID 2044 wrote to memory of 1824 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Windows\SysWOW64\netsh.exe
PID 2044 wrote to memory of 1824 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Windows\SysWOW64\netsh.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe

"C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LsoUSx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp561C.tmp"

C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe

"{path}"

C:\Windows\SysWOW64\netsh.exe

"netsh" wlan show profile

Network

N/A

Files

memory/1004-0-0x00000000741E0000-0x00000000748CE000-memory.dmp

memory/1004-1-0x0000000001040000-0x0000000001041000-memory.dmp

memory/1408-3-0x000007FEF7160000-0x000007FEF73DA000-memory.dmp

memory/1004-4-0x0000000000560000-0x0000000000563000-memory.dmp

memory/1004-5-0x0000000007290000-0x00000000072E3000-memory.dmp

memory/1940-6-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\tmp561C.tmp

MD5 b62d69fbede68916cbca6dc495030b6f
SHA1 67e2dd36210daf7b3bf34e6e8e2194968c403f02
SHA256 2d43568e9c62eaaf995e9cbf3b5bac177ea7f7e04a88f83ab75278cc62b281fb
SHA512 bdab864ed91d2a27193c0611678ee381ae3fb228aa4ccaf2694315e97121d64e2f58905ea842e43a63a8b1c687b122016f3768d7d8743daa3af73b10a0e8a7c9

memory/2044-8-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2044-9-0x000000000044C9EE-mapping.dmp

memory/2044-10-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2044-11-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2044-12-0x00000000741E0000-0x00000000748CE000-memory.dmp

memory/1824-15-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-11-09 19:37

Reported

2020-11-09 22:07

Platform

win10v20201028

Max time kernel

63s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

CoreEntity .NET Packer

coreentity
Description Indicator Process Target
N/A N/A N/A N/A

AgentTesla Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

rezer0

rezer0
Description Indicator Process Target
N/A N/A N/A N/A

Reads data files stored by FTP clients

spyware

Reads user/profile data of local email clients

spyware

Reads user/profile data of web browsers

spyware

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3988 set thread context of 3948 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3988 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Windows\SysWOW64\schtasks.exe
PID 3988 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Windows\SysWOW64\schtasks.exe
PID 3988 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Windows\SysWOW64\schtasks.exe
PID 3988 wrote to memory of 3948 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 3988 wrote to memory of 3948 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 3988 wrote to memory of 3948 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 3988 wrote to memory of 3948 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 3988 wrote to memory of 3948 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 3988 wrote to memory of 3948 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 3988 wrote to memory of 3948 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 3988 wrote to memory of 3948 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe
PID 3948 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Windows\SysWOW64\netsh.exe
PID 3948 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Windows\SysWOW64\netsh.exe
PID 3948 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe C:\Windows\SysWOW64\netsh.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe

"C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LsoUSx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1785.tmp"

C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe

"{path}"

C:\Windows\SysWOW64\netsh.exe

"netsh" wlan show profile

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 www.google.com.br udp
N/A 172.217.19.195:443 www.google.com.br tcp
N/A 8.8.8.8:53 smtp.ionos.mx udp
N/A 74.208.5.8:587 smtp.ionos.mx tcp
N/A 74.208.5.8:587 smtp.ionos.mx tcp

Files

memory/3988-0-0x00000000738E0000-0x0000000073FCE000-memory.dmp

memory/3988-1-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

memory/3988-3-0x0000000007E70000-0x0000000007E71000-memory.dmp

memory/3988-4-0x0000000007A10000-0x0000000007A11000-memory.dmp

memory/3988-5-0x0000000007970000-0x0000000007971000-memory.dmp

memory/3988-6-0x0000000004ED0000-0x0000000004ED3000-memory.dmp

memory/3988-7-0x000000000B2F0000-0x000000000B343000-memory.dmp

memory/3988-8-0x000000000B3F0000-0x000000000B3F1000-memory.dmp

memory/2684-9-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\tmp1785.tmp

MD5 0ba7da637bb25302ae9701b3df8de7a8
SHA1 098ac627d4f4c2732c618d617da5ecfe2d8bc9ea
SHA256 dd4d0e35268730a02e30b25de97503c1e3515c5f79630471b258557557e0a9d4
SHA512 294dda41b75ee08ca711fa668643b6e4c4bb8e201f6814a5e5c2f1d03ae386ecb14dbee4f5e819db79fab3e4a04fc176ce2eb0ab011580a96986733c0f1595f8

memory/3948-11-0x0000000000400000-0x0000000000452000-memory.dmp

memory/3948-12-0x000000000044C9EE-mapping.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0080900000000000004.exe.log

MD5 b4f7a6a57cb46d94b72410eb6a6d45a9
SHA1 69f3596ffa027202d391444b769ceea0ae14c5f7
SHA256 23994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b
SHA512 be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c

memory/3948-14-0x00000000738E0000-0x0000000073FCE000-memory.dmp

memory/3948-19-0x0000000005020000-0x0000000005021000-memory.dmp

memory/3948-20-0x0000000005BF0000-0x0000000005BF1000-memory.dmp

memory/2504-21-0x0000000000000000-mapping.dmp